QNAP TR-004 4 Bay Desktop NAS Expansion - Optional Use as a Direct-Attached Storage Device

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did install 4 hdds into tr004 and setting up a raid5? and what is it's current setup like with the 2 existing hard drives on the tr-004? Perhaps the Enable Write Cache setting only controls write cache for internal drives and not external? OR alternatively you can set it up as a raid5 on standalone mode using the windows qnap utility app that can create the raid5 without using qts. I believe that you can still connect this to the QNAP and use as an external USB. But whenever you want to manage it, you need to connect to a windows pc and use the qnap utility app for tr-004 i presume. Individual, JBOD, hardware RAID 0/1/5/10, Software CTRL (Software control mode is for use with QNAP NAS and Windows/macOS utility) From people's experience here and what I've seen, I'd almost have to conclude that TR-004 shall have never been advertised as it can be used as a NAS storage (for its poor performance with RAID 5), as was described in the product manual and the advertisement video https://live.qnap.com/en/video/show/2430 or on youtube https://www.youtube.com/watch?v=I5_ahKpjF6A. But I do hope there is a solution that can make TR-004 as a NAS storage pool with RAIDs truly functional.

Without going too much into the software, it has some good basic functionality. It allows offers RAID setup, individual drive information including S.M.A.R.T. values direct from the drives, which you can't do with other utilities in Windows or on MacOS when connected to the TR-004. Simple status for each drive is also displayed like "GOOD" and associated drive bay also highlighted green if there's no issues. Firmware can also be updated through this app as well. So far mine came with the latest 1.004. Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.Drives can only be migrated from one TR-004 to another TR-004. The files and data stored on drives moved to/from a NAS (or another device) will not be recognized. but in it was clearly stated for the tr-004, that it will AUTO spindown if you power off the nas if it's connected to the NAS directly via usb.

The storage pools and volumes in the expansion enclosures are configured via the QTS operating system. When I'm testing over network, I'm using a 8GB and a 33GB .mkv file, copying to/from NAS to my PC's Samsung 960 EVO to make sure the drive in my PC is not skewing results. I had this same issue (30MB/s read and write speeds) and resolved it by uninstalling the USB drivers, rebooting my Win 10 PC, and allowing the system to reinstall the drivers. Now data transfers are around 200MB/s. I really don't think it has anything to do with supposed poor performance by the TR-004. The box works just fine, as advertised. Sometimes USB drivers need to be reinstalled and reinitialized, particularly when different devices (such as USB Headphones or a USB Mouse) are exchanged for another device (such as a mass storage device). The TR-004U does not support the following: the TS-128, TS-228, TS-131, TS-231, TS-431, TS-431U, and NAS models that cannot be updated to QTS 4.3.6 (or later).the tr-004 uses usb to connect to the qnap, so you need to disengage by using the eject, waiting for it to inform you it's safe, before you can shutdown the tr-004 device.

When connected to a Windows 10 and configured in RAID 5 (formatted as HFS): read/write at 190MB/s - 200MB/s anyway if you are interested on the topic, you can google "spindown vs 24/7 hard drive", there should be an answer on reddit or on quora on the subject. There are 2 camps, those for spindown, and those for keeping the disks on nas running 24/7. The TR-004 can only be used as an individual storage pool or volume on the NAS. Its storage pool/volume cannot be combined into the connected NAS. NAS applications cannot be installed on the TR-004.QuTS hero is the operating system for high-end and enterprise QNAP NAS models. With Linux and ZFS, QuTS hero supports advanced data reduction technologies for further driving down costs and increasing reliablility of SSD (all-flash) storage. System QNAP reserves the right to replace partial parts or accessories if the original is no longer available from its manufacturer/supplier. Any replacement would be fully tested and verified to meet strict compatibility and stability guidelines and will deliver identical performance to the original. Disk mode DIP switch to change from Hardware Control and Software Control configurations for setting RAID group. QuTS hero คือระบบปฏิบัติการสำหรับรุ่นของ QNAP NAS ระดับสูงและระดับองค์กร ระบบ Linux และ ZFS ทำให้ QuTS hero สามารถรองรับเทคโนโลยีการลดปริมาณข้อมูล เพื่อลดค่าใช้จ่ายและเพิ่มความเชื่อถือได้ของที่เก็บข้อมูลชนิด SSD (All Flash) ระบบ